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bpo-30439: Add a basic high-level interpreters module. #1803

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ericsnowcurrently wants to merge 20 commits into from
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bpo-30439: Add a basic high-level interpreters module. #1803

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7cc14ad
Add the _interpreters module to the stdlib.
ericsnowcurrently Dec 14, 2016
84920ad
Add create() and destroy().
ericsnowcurrently Dec 29, 2016
89f16ee
Finish nearly all the create/destroy tests.
ericsnowcurrently Jan 1, 2017
189a2fd
Add run_string().
ericsnowcurrently Dec 29, 2016
e144c96
Get tricky tests working.
ericsnowcurrently Jan 2, 2017
f3c7194
Add a test for a still running interpreter when main exits.
ericsnowcurrently Jan 2, 2017
2b7b6c7
Add run_string_unrestricted().
ericsnowcurrently Jan 4, 2017
8368582
Exit out of the child process.
ericsnowcurrently Jan 4, 2017
9669ca7
Resolve several TODOs.
ericsnowcurrently Jan 4, 2017
79edd9c
Set up the execution namespace before switching threads.
ericsnowcurrently Jan 4, 2017
17b0e28
Run in a copy of __main__.
ericsnowcurrently Jan 4, 2017
7d8f744
Close stdin and stdout after the proc finishes.
ericsnowcurrently Jan 4, 2017
80ab76a
Clean up a test.
ericsnowcurrently Jan 4, 2017
7afda96
Chain exceptions during cleanup.
ericsnowcurrently Jan 4, 2017
4e07f7a
Finish the module docs.
ericsnowcurrently Jan 4, 2017
060a720
Fix docs.
ericsnowcurrently May 23, 2017
a85df93
Add get_current() and enumerate().
ericsnowcurrently Dec 29, 2016
f605ae7
Add is_running().
ericsnowcurrently Dec 29, 2016
9704487
Add get_main().
ericsnowcurrently Jan 4, 2017
7dadbe5
Add the interpreters module.
ericsnowcurrently Jan 5, 2017
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Clean up a test.
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@ericsnowcurrently
ericsnowcurrently committed May 23, 2017
commit 80ab76a6086982339f09e008fcaa1c8993f701d0
10 changes: 7 additions & 3 deletions Lib/test/test__interpreters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
import os.path
import shutil
import tempfile
from textwrap import dedent
from textwrap import dedent, indent
import threading
import unittest

Expand All @@ -14,10 +14,13 @@


SCRIPT_THREADED_INTERP = """\
from textwrap import dedent
import threading
import _interpreters
def f():
_interpreters.run_string(id, {!r})
_interpreters.run_string(id, dedent('''
{}
'''))

t = threading.Thread(target=f)
t.start()
Expand Down Expand Up @@ -48,11 +51,12 @@ def tearDown(self):
shutil.rmtree(self.dirname)

def test_still_running_at_exit(self):
script = SCRIPT_THREADED_INTERP.format("""if True:
subscript = dedent("""
import time
# Give plenty of time for the main interpreter to finish.
time.sleep(1_000_000)
""")
script = SCRIPT_THREADED_INTERP.format(indent(subscript, ' '))
filename = script_helper.make_script(self.dirname, 'interp', script)
with script_helper.spawn_python(filename) as proc:
retcode = proc.wait()
Expand Down